Example sentences
xiè谢xiè谢！bù不kè客qì气。
Thanks! You're welcome.
bù不kè客qì气，xiǎo小shì事。
No problem, it's nothing.
The story behind the character
气
Three strokes of rising vapor. Xu Shen wrote 气, 云气也: "cloud vapor." Side note: the traditional 氣 is actually a different character (it meant "to gift grain"); they got merged when characters were simplified.